OpenTechnical

OT-2026-000051850

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000051850) never changes.

Identity and time

Publication numberOT-2026-000051850 · never reused
Internal UUID01a0ae83-7c84-7557-994c-7c03df8cb942 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051850
StatusPUBLIC

Content hashes

Canonical texta3276a4cfdbbabf55dfa6b39bda5eb9f60a145673e0b614a23b1bcdcbdded703
Markdown9c6b83de0d8a90540772b55abcda88580c32cfc1a74b40fb9102586e25d76419
PDF
Publication page7047a73af6777c1e8707f2b79b1b96eba27f7e7e0e6eabd0b3fd3b01b8914953
Manifest27d9b987d5b34ddbc5039729511adf3b7469b1c943275dfd84d4fab8e9d201bd

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturexwEQR/InJkl/UW+WoT3XTZhTtVebkbwq+o9ZJqV4z+dvm0Z2FxX9ndOLHEA98oqBiuwKzJKHK2phzAZeegI6BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:46.839313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051850
observed 7047a73af6777c1e8707f2b79b1b96eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:46.822071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051850/manifest.json
observed 27d9b987d5b34ddbc5039729511adf3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:46.802880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051850/publication.md
observed 9c6b83de0d8a90540772b55abcda8858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:46.783910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051850/publication.txt
observed a3276a4cfdbbabf55dfa6b39bda5eb9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.